North Onang, Indonesia offers 2 beaches perfect for sunbathing, surfing, swimming, and more. North Onang, West Sulawesi, Indonesia, is known for the stunning Tanjung Bira Beach and the traditional Phinisi shipbuilding. The best time to travel to North Onang, Indonesia, is from May to September, with average air temperatures around 27°C (81°F) and water temperatures near 29°C (84°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!